Designation Structure
The order designation for AXRY-NGX bearings consists of a basic model number and several optional suffixes:
AXRY 260 -
NGX -
SBI -
PRR50 -
H1* -
H2* -
AC -
JXXXX -
L120
Series Bore Generation Lub. Connection Accuracy H1 Dim.* H2 Dim.* Alignment Custom Lubrication
* Only applicable for sizes 580 and 650
Basic Designation
| Component | Description | Options |
|---|---|---|
| Construction series | Axial/radial roller bearing series | AXRY |
| Bore in mm | Bearing bore diameter | 180, 200, 260, 325, 395, 460, 580, 650 |
| Bearing type | NGX generation designation | NGX |
Suffix Description
Lubrication connection
| Suffix | Description |
|---|---|
| (No suffix) | Only on outer ring (standard configuration for rotating inner ring) |
| -SBI | Additionally on inner ring (configuration for rotating outer ring) |
Accuracy requirements
| Suffix | Description |
|---|---|
| (No suffix) | Standard accuracy |
| -PRR50 | Axial and radial runout tolerances restricted |
| -PRR30** | Axial and radial runout tolerances high precision |
** Available for bore 260-650 mm
Connection dimension H1
* Only applicable for sizes 580 and 650
| Suffix | Description |
|---|---|
| (No suffix) | Standard |
| -H1 | Restricted connection dimension H1 |
Connection dimension H2
* Only applicable for sizes 580 and 650
| Suffix | Description |
|---|---|
| (No suffix) | Standard |
| -H2 | Restricted connection dimension H2 |
Bearing alignment
| Suffix | Description |
|---|---|
| (No suffix) | Standard alignment |
| -AC | Customized alignment (for support ring installation) |
Regulation
| Suffix | Description |
|---|---|
| (No suffix) | Standard specification |
| -JXXXX | Customized regulation (number is issued by myonic) |
Lubrication
| Suffix | Description |
|---|---|
| (No suffix) | Standard grease (DIN 51825-KPH-C1N-30) |
| -L120 | Bearing ungreased, only preserved (e.g. for oil lubrication) |
| -GXXX | Special grease (number is issued by myonic) |
Order Examples
| Complete Model | Description |
|---|---|
| AXRY 325-NGX | Bore 325mm, NGX standard configuration (rotating inner ring, standard accuracy, standard grease) |
| AXRY 460-NGX-SBI | Bore 460mm, rotating outer ring configuration (with inner ring lubrication connection) |
| AXRY 260-NGX-PRR50 | Bore 260mm, axial and radial runout tolerances restricted |
| AXRY 325-NGX-PRR30 | Bore 325mm, axial and radial runout tolerances high precision (PRR30 only available for bore 260-650 mm) |
| AXRY 580-NGX-H1-H2 | Bore 580mm, restricted connection dimensions H1 and H2 |
| AXRY 395-NGX-AC | Bore 395mm, customized alignment (for support ring installation) |
| AXRY 260-NGX-L120 | Bore 260mm, ungreased (only preserved, suitable for oil lubrication systems) |
| AXRY 325-NGX-J1234 | Bore 325mm, customized regulation number 1234 |
| AXRY 650-NGX-SBI-PRR50-H1-AC | Bore 650mm, rotating outer ring, restricted accuracy, restricted H1 dimension, customized alignment |
Ordering Notes
When Ordering, Please Provide
- Complete product model number (including all suffixes)
- Required quantity
- Expected delivery date
- Special requirements (if any)
Special Configurations
For configurations beyond the standard catalogue (such as special grease, special accuracy, or customized design), email sales@eb-system.com to discuss feasibility and delivery time.
Technical Document Download
For detailed designation system information, please refer to: NGX Designation System PDF →